Pathology MCQ Flashcards
(158 cards)
1- Septicemia is defined as:
a. Organismal toxins in circulation.
b. Circulation of low doses of bacteria.
c. Circulation of septic emboli.
d. Circulation of large numbers of bacteria releasing their toxins.
d. Circulation of large numbers of bacteria releasing their toxins.
2- Tabes mesenterica; this term refers to:
a) Enlarged caseous lymph nodes in primary pulmonary complex.
b) Enlarged caseous lymph nodes in secondary intestinal TB.
c) Enlarged caseous lymph nodes in tonsillar complex.
d) Enlarged caseous lymph nodes in primary intestinal TB.
d) Enlarged caseous lymph nodes in primary intestinal TB.
3- Which of the following Is NOT true about bilharzial cystitis:
a) Bilharzial polyps are the most common lesions.
b) It may be complicated by squamous cell carcinoma.
c) Hydronephrosis and renal failure may complicate the disease.
d) It may be accompanied by bladder stone formation.
a) Bilharzial polyps are the most common lesions.
4- Condyloma lata are:
a) Painless macules & papules all over the body.
b) Bulky skin papules at areas of moist skin.
c) Painless macules & papules on mucus membrane.
d) Scaly desquamation of palms & soles.
b) Bulky skin papules at areas of moist skin.
5- In pyaemia causative factor is:
a) Septic emboli from septic thrombophlebitis.
b) Septic emboli from septic phlebothrombosis.
c) Septic emboli from aseptic thrombophlebitis.
d) Disseminated intravascular coagulation.
a) Septic emboli from septic thrombophlebitis.
6- Which of the following cytokines have role in pathogenesis of tuberculosis:
a) IFN-Y
5) CSFs.
c) IL-6.
d) IL-23.
a) IFN-Y
7- Which Is NOT true about actinomycosis:
a) It is aerobic gram +ve bacteria.
b) Commonest in the face and neck.
c)Bacterial colonies appear grossly as sulpher granules.
d) Actinomycotic abscess can occur in lung and intestine.
a) It is aerobic gram +ve bacteria.
12- Coating the microbes and targeting them for phagocytic cells is called:
a) Opsonization.
b) Chemotaxis.
c) Phagocytosis.
d) Margination.
a) Opsonization.
13- TNF is responsible for:
a) Redness and hotness.
b) Leukocytosis.
c) Pain and fever.
d) Fever and leukocyte activation.
d) Fever and leukocyte activation.
14- Fibrinous inflammation is characterized by:
a) Prominent increase in vascular permeability
b) A cavity containing pus.
c) Localized aggregate of activated macrophages.
d) Thin water like exudate.
a) Prominent increase in vascular permeability
15- Elevated erythrocyte sedimentation rate (ESR) in inflammation is due to increased level of:
a) Prostaglandins.
b) Serum amyloid A.
c) TNF.
d) Fibrinogen.
d) Fibrinogen.
16- Which of the following is true about cellular changes in acute inflammation:
a) Pavementing is the adhesion of neutrophils to vascular endothelium.
b) Integrin play a role in margination>
c) Neutrophils oftenly emigrate passively.
d) Emigration of leucocytes is followed by leucopenia.
a) Pavementing is the adhesion of neutrophils to vascular endothelium.
17- Which is true about hepatic bilharziasis:
a) The portal tracts may show dilated vascular channels.
b) At a late stage of the disease the liver appears markedly enlarged.
c) The hepatic frame work is markedly disturbed.
d) The Kupffer cells engulf bile pigment due to jaundice.
a) The portal tracts may show dilated vascular channels.
19- Lesions of vitamin D deficiency include the following EXCEPT:
a) Lymphoid tissue hyperplasia.
b) Weak tendons and muscles.
c) Underweight.
d) Splenomegaly.
c) Underweight.
20- Which of the following is true about abscess:
a) It is most commonly caused by streptococcal infection.
b) Wall of abscess is characterized by numerous lymphocytes, plasma cells and giant cells.
c) Gangrene may occur.
d) Spontaneous evacuation never occurs.
c) Gangrene may occur.
21- Which of the following is true about chronic inflammation:
a) Giant cells are always present.
b) It always occurs in the form of granulomas.
c) Lymphocytes are common chronic inflammatory cells.
d) Necrosis is a constant finding.
c) Lymphocytes are common chronic inflammatory cells.
22- Mycetoma includes:
a) Eumycetoma caused by filamentous bacteria.
b) Actinomycetoma caused by fungal infection.
c) Eumycetoma caused by fungal infection.
d) Actinomycosis.
c) Eumycetoma caused by fungal infection.
24- Tobacco smoking Does NOT predispose to:
a) Coronary at the atherosclerosis.
b) Bronchial carcinoma.
c)Fatty change in liver.
d) Ischemic heart disease.
c)Fatty change in liver.
26- In liver healing by fibrosis (liver cirrhosis) occurs if:
a) Injury affects parenchymal cells only.
b) Injury affects portal tracts only.
c) Injury affects the peritoneal covering
d) Injury affects liver cells & the frame work.
d) Injury affects liver cells & the frame work.
27- In aortic stenosis left ventricle undergoes adaptation by:
a) Hyperplasia.
b) Atrophy.
c) Hypertrophy.
d) Metaplasia.
c) Hypertrophy.
28- Which is INCORRECT regarding AIDS:
a) The virus mainly affects CD4+ helper T cells.
b) Caused by Human papilloma virus.
c) Sexually transmitted.
d) Opportunistic infection is the main cause of death
b) Caused by Human papilloma virus.
29- Leukoplakia is defined as:
a) Transformation of columnar epithelium into squamous,
b) Squamous epithelium keratinization.
c) Carcinoma in situ of squamous epithelium.
d) Benign epithelial tumor.
b) Squamous epithelium keratinization.
30- Histologic differentiation of tumors means:
a) Extent to which tumor cells resemble comparable normal cells.
b) Degree of resemblance of structural pattern of the tumor to that of the normal tissue.
c) Cells develop distinct specialized function.
d) Abnormal behavior of tumor cells.
b) Degree of resemblance of structural pattern of the tumor to that of
the normal tissue.
31- Patient diagnosed as squamous cell carcinoma in lung.
Immunohistochemical studies of the biopsy specimen would most likely show strong expression of which of the following tumor markers:
a) Vimentin.
b) Cytokeratin.
c) Alpha feto-protein.
d) Calcitonin.
b) Cytokeratin.